a-a a-c aaa aac aad aam aao aar ac- aca acc acd acm aco acr ad- ada adc add adm ado adr ama amc amd amm amo amr aoa aoc aod aom aoo aor ar- ara arc ard arm aro arr c-- caa cac cad cam cao car cca ccc ccd ccm cco ccr cda cdc cdd cdm cdo cdr cma cmc cmd cmm cmo cmr co- coa coc cod com coo cor cra crc crd crm cro crr daa dac dad dam dao dar dca dcc dcd dcm dco dcr dda ddc ddd ddm ddo ddr dma dmc dmd dmm dmo dmr doa doc dod dom doo dor dra drc drd drm dro drr m-o m-r maa mac mad mam mao mar mc- mca mcc mcd mcm mco mcr mda mdc mdd mdm mdo mdr mma mmc mmd mmm mmo mmr moa moc mod mom moo mor mra mrc mrd mrm mro mrr oaa oac oad oam oao oar oc- oca occ ocd ocm oco ocr oda odc odd odm odo odr om- oma omc omd omm omo omr oo- ooa ooc ood oom ooo oor or- ora orc ord orm oro orr ra- raa rac rad ram rao rar rca rcc rcd rcm rco rcr rda rdc rdd rdm rdo rdr rma rmc rmd rmm rmo rmr roa roc rod rom roo ror rra rrc rrd rrm rrr